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review area. BLM inventories conducted in 1978 through 1980, and <br /> monitoring flights conducted through 1985, did not locate any <br /> roost or nest sites, or areas of winter concentration on or near <br /> • the review area. Use levels of the North Fork of the Gunnison <br /> River in this region were low density, and only sporadic winter <br /> use occurred on the uplands. The possibility exists for nesting <br /> to occur along the North Fork of the Gunnison River. <br /> Peregrine falcon, (Falco peregrinus) , Federal i State Endangered <br /> species, use has not been recorded on the review area. Some <br /> incidental use is likely, especially during migration. The North <br /> Fork region, including the review area, has some potential as <br /> habitat. Peregrines are known to successfully nest 20 miles to <br /> the southwest in the Black Canyon National Monument. Suitable <br /> nesting habitat is not available on or near the review area. <br /> Loggerhead shrike, (Lanius ludovicianus) , Federal category 2 <br /> species, use has not been recorded on the review area. Potential <br /> breeding and nesting habitat is present. Loggerhead shrikes are <br /> dependant upon the sagebrush and gambel oak shrub communities for <br /> breeding and nesting habitat in this region, during spring and <br /> summer. Their presence in this region during winter is uncommon. <br /> River otters, '(Lutra canadensis) , State Endangered species, are <br /> not known to be present on the review area, however, the North <br /> Fork of the Gunnison River is considered suitable habitat. A <br /> population exists in the Gunnison Gorge 24 miles southwest of the <br /> proposed lease tract. <br /> • Although it is possible for lynx, (Felts lynx) , State Endangered <br /> species, to occur in the region they are not known to be present <br /> on the review area. The range of lynx in Colorado is believed to <br /> be confined to coniferous forests above 9,000 feet. <br /> Grand Mesa Penstemon, (Penstemon mensarum) , Federal category 2 <br /> species, is known to occur on the north side of the North Fork of <br /> the Gunnison River in the Hawksnest drainage approximately 8 <br /> miles northeast of the tract. It's presence on the review area <br /> is unconfirmed, but possible. This species occurs most <br /> frequently in the aspen and oak stands between 7,200 and 9,500 <br /> foot elevation levels. <br /> The following list of species have potential to occur in the <br /> region but have not been found on the review area: <br /> Black-Footed Ferret (NuateIa nigripes) Endangered <br /> Ferruginous Hawk (Buteo regalia) Category-2 <br /> Long-Billed Curlew (Numenius americanus) Category-2 <br /> Mexican Spotted Owl (Stria occidentalis lucida) Proposed <br /> Northern Goshawk (Accipiter gentilis) Category-2 <br /> Southwest Willow Flycatcher (Spidomax trailii extimus) Category 1 <br /> White-Faced Ibis (Plegadis chihi) Catego 2 <br /> Whooping Crane (Gnus Americana) Endangered <br /> Adobe Desert Parsley (Lomatium concinnum) Category-2 <br /> Clay-Loving Buckwheat (Briogonum pelinophilum) Endangred <br /> • Spineless Hedgehog Cactus <br /> (Echinocereus triglochidistus var. inermis) Endangered <br /> Montrose Penstemon (Penstemon retrorsus) Category-2 <br /> Uinta Basin Hookless Cactus (Sclerocactus glaucus) Threatened <br /> Page 9 <br />